diff --git a/Apps/Sandcastle/gallery/3D Tiles 1.1 CDB Yemen.html b/Apps/Sandcastle/gallery/3D Tiles 1.1 CDB Yemen.html
index d14bfacad025..cc1e609e1210 100644
--- a/Apps/Sandcastle/gallery/3D Tiles 1.1 CDB Yemen.html	
+++ b/Apps/Sandcastle/gallery/3D Tiles 1.1 CDB Yemen.html	
@@ -9,7 +9,7 @@
     />
     <meta
       name="description"
-      content="Load a 3D Tile 1.1 tileset converted from CDB."
+      content="Load a 3D Tiles 1.1 tileset converted from CDB."
     />
     <meta name="cesium-sandcastle-labels" content="3D Tiles" />
     <title>Cesium Demo</title>
@@ -385,11 +385,11 @@
         try {
           // 3D Tiles 1.1 converted from CDB of Aden, Yemen (CDB provided by Presagis)
           const terrainTileset = await Cesium.Cesium3DTileset.fromIonAssetId(
-            2389033
+            2389063
           );
           viewer.scene.primitives.add(terrainTileset);
           const buildingsTileset = await Cesium.Cesium3DTileset.fromIonAssetId(
-            2381283,
+            2389064,
             {
               maximumScreenSpaceError: 12,
             }